Step-by-step foreign qualification requirements, fees, and filing instructions for North Dakota LLCs expanding into Illinois.
Before filing, verify that your LLC name (or a distinguishable variation) is available in Illinois. If your exact name is already taken, you may need to register under a fictitious or assumed name.
Search Illinois business names ↗Illinois requires a Certificate of Good Standing from North Dakota to prove your LLC is in good standing. Most states require dated within 30-90 days.
Submit your application along with the Certificate of Good Standing and the $150 filing fee. Processing time is 5-10 business days. Expedited processing available for $100. Online filing is available.
Illinois filing portal ↗You must designate a registered agent with a physical address in Illinois to accept legal documents on behalf of your LLC. This is required as part of the foreign qualification application.
Per 805 ILCS 180/45-5.
A registered agent is required for foreign qualification. These services operate in all 50 states.
Get Northwest Registered Agent ↗A virtual mailbox gives your LLC a professional address in Illinois for mail forwarding, public filings, and banking—without leasing office space.
Unique suite number + unlimited digital mail scanning
Learn more ↗10 mail scans/year + unique suite number
Learn more ↗Independent mailbox providers
Use our free tool to check if you need to register in additional states.
This page provides general information based on publicly available state requirements. It is not legal advice. Verify all fees and requirements with the Illinois Secretary of State before filing.